Enhanced average power factor and ZT value in PbSe thermoelectric material with dual interstitial doping

Energy Environ. Sci., 2024, 17,2018-2027
DOI: 10.1039/D3EE04539K, Paper
Liqing Xu, Xiaoying Wang, Yang Wang, Zhibin Gao, Xiangdong Ding, Yu Xiao
High PFave of 24.18 μW cm−1 K−2 and ZTave of 1.01 at 300–773 K have been achieved in n-type Pb1.02Se–0.2%Cu thermoelectric through dual Pb and Cu interstitial doping, and it exceeds other Se/S-based (Te free) n-type thermoelectric materials.
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